The correct answer is option C. While estimating cost for the project, PM has to make an assumption on if indirect costs need to be part of estimates. There is no mandatory guideline for including or excluding indirect cost. Project charter does not have any guideline on estimate cost. Unless PM wants to approach SG for approval there is no mandate for Steering Group (SG) to approve. Usually, document accounting procedure in the organization would help PM to know how to deal with indirect cost. Refer Page 202 of PMBOK®Screenshot of page 202